Alarm Display Priority | Hoshizaki HWR68A(-D), HWR40A(-D) guide

1. Alarm Display Priority

If multiple alarms occur simultaneously, only the alarm with the higher priority is displayed.

	Error Code	Priority	Description
	ED	1	EEPROM Verification or Read Error Alarm
	EA	2	EEPROM Write Error Alarm
	E8	3	Defrost Temperature Sensor Malfunction
	E8	3	Alarm
			Alarm
	E9	4	Clogged Filter Sensor Malfunction Alarm
	E4	5	High Pressure Alarm
	E7	6	Clogged Filter Alarm
	E3	7	Defrost Alarm
	E1	8	High Temperature Alarm
	E2	9	Low Temperature Alarm

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Hoshizaki HWR68A(-D), HWR40A(-D), HUR96A(-D), HUR68A(-D), HUR40A(-D) Alarm Display Priority, Error Code Priority Description

Contents

Superior Degree Reliability Energy Star Contents Page Dimensions Specifications Nameplate RatingsUndercounter Model Names HUR40A, HUF40A Units mm 1a. HUR40A-D, HUF40A-D HWR40A, HWF40A 2a. HWR40A-D, HWF40A-D HUR68A, HUF68A 3a. HUR68A-D, HUF68A-D HWR68A, HWF68A 4a. HWR68A-D, HWF68A-D HUR96A Units mm 5a. HUR96A-D HWR96A Units mm 6a. HWR96A-D II. General Information Construction Evaporator Case Refrigerators Continuous Operating Mode Sequence of Operation and Timing ChartsSequence of Operation Timing Chart Operating Freezers Continuous Operating Mode Freezers Continuous Refrigerators Energy Saving Operating Mode Defrost End Defrost thermistor reaches defrost Energy Freezers Energy Saving Operating Mode Board Self Check Minute Delay Freezers Energy Start-Up Delay Control Board Rear Relay Wiring Harness K311Thermistor Wiring Harness K151 Front Settings and Diagnostics Gaining Access to Settings and Diagnostics Switching the Display Between Fahrenheit and Celsius F5 Temperature DisplayAdjusting the Setpoint Temperature Cabinet Temperature Correction calibration factor Settings and Diagnostics Menu Later Section Defrost Termination Temperature F1 Defrost Interval F0 Setpoint Temperature Differential F2 High Temperature Alarm Delay Time F3 Low Temperature Alarm Delay Time F4 Temperature Display Scale F5 Alarm History F6 Compressor Run Time F7 Operating Modes Continuous Perimeter Frame HeaterEnergy Saving III. Service Diagnosis Alarm Codes Alarm Signals Alarm Code Problem Alarm Display Priority Error Code Priority Description Reset Options Alarm Details and CountermeasuresHigh Temperature Alarm E1 Possible Causes Low Temperature Alarm E2 Defrost Alarm E3 High Pressure Alarm E4 Clogged Filter Alarm E7 Defrost Temperature Sensor Malfunction Alarm E8 Clogged Filter Sensor Malfunction Alarm E9 Control Board Error Alarms EA and ED Diagnosis Chart Problem Possible Cause Remedy Problem Possible Cause Remedy Problem Possible Cause Remedy Thermistor Check Refrigerant Recovery IV. Removal and Replacement of ComponentsService for Refrigerant Lines Brazing Evacuation and Recharge Removal and Replacement of Refrigeration Unit Removal and Replacement of Compressor Removal and Replacement of Evaporator Page Page Defrost Thermistor Removal and Replacement of ThermistorsCabinet Thermistor Clogged Filter Thermistor sensor Removal and Replacement of Door Gasket Removal and Replacement of Defrost Heater Removal and Replacement of Control Board Condenser Fan Motor Removal and Replacement of Fan MotorsDoor Re-Hinging and Drawer Conversion Evaporator Fan Motor Cleaning and Maintenance Instructions Cleaning Shelves MaintenanceAir Filter Drawers 115/60/1 A2. HUR40A-D, HWR40A-D auxiliary code Q6 and later HUF40A-D, HWF40A-D C1. HUR68A, HWR68A auxiliary code Q5 and earlier C2. HUR68A-D, HWR68A-D auxiliary code Q6 and later HUF68A-D, HWF68A-D HUR96A-D, HWR96A-D